CapoVelo.com - The Curious Case of Leonardo da Vinci's Bicycle
a wooden bicycle that Leonardo da Vinci designed nearly 500 years before the bicycle was patented : r/interestingasfuck
La reconstruction d'une bicyclette, d'après un dessin de 1493 par Leonardo Da Vinci Codex Atlanticus folio 133 ; C. Léonard de Vinci (1452-1519), l'artiste italien et polymathe Photo Stock - Alamy